10100002222021 has 4 divisors (see below), whose sum is σ = 10425808745344. Its totient is φ = 9774195698700.

The previous prime is 10100002221943. The next prime is 10100002222027. The reversal of 10100002222021 is 12022220000101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10100002222021 - 2¹⁵ = 10100002189253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100002221992 and 10100002222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100002222027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162903261615 + ... + 162903261676.

It is an arithmetic number, because the mean of its divisors is an integer number (2606452186336).

Almost surely, 2^{10100002222021} is an apocalyptic number.

It is an amenable number.

10100002222021 is a deficient number, since it is larger than the sum of its proper divisors (325806523323).

10100002222021 is an equidigital number, since it uses as much as digits as its factorization.

10100002222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325806523322.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10100002222021 its reverse (12022220000101), we get a palindrome (22122222222122).

The spelling of 10100002222021 in words is "ten trillion, one hundred billion, two million, two hundred twenty-two thousand, twenty-one".